Blood Group

Question 1

What percentage of the population has A-type or B-type antigens on their red cell surface?

Answer 1

55%

Question 2

What are the corresponding antibodies for blood groups A and B called?

Answer 2

anti-A and anti-B

Question 3

Which blood group cannot make anti-A antibodies?

Answer 3

Blood group A

Question 4

What antibodies do blood group A individuals produce?

Answer 4

anti-B

Question 5

What antibodies do blood group B individuals produce?

Answer 5

anti-A

Question 6

What antibodies do blood group AB individuals produce?

Answer 6

Neither anti-A nor anti-B

Question 7

What antibodies do blood group O individuals produce?

Answer 7

Both anti-A and anti-B

Question 8

What are blood group AB individuals known as?

Answer 8

Universal recipients

Question 9

Why are blood group AB individuals considered universal recipients?

Answer 9

They make neither anti-A nor anti-B antibodies

Question 10

What blood group is known as the universal donor?

Answer 10

Group O

Question 11

What is misleading about the terms ‘universal donor’ and ‘universal recipient’?

Answer 11

They imply the ABO system is the only one to consider

Question 12

What is required prior to blood transfusion to prevent reactions?

Answer 12

Cross-matching

Question 13

What is the Rhesus antigen also known as?

Answer 13

Rhesus factor

Question 14

What percentage of people are Rhesus positive (Rh+)?

Answer 14

85%

Question 15

What antibodies do Rhesus negative (Rh−) individuals have the potential to make?

Answer 15

Anti-Rhesus antibodies

Question 16

Under what circumstances are Rh− individuals stimulated to make anti-Rhesus antibodies?

Answer 16

In pregnancy or incompatible blood transfusion